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IrinaVladis [17]
3 years ago
13

Could someone help me out with the last few questions? And am I correct on the last question?

Physics
2 answers:
Sonja [21]3 years ago
6 0
Yes that is what I would say.
xeze [42]3 years ago
5 0
Yes !!! And good luck on the others
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How far will a bird have traveled in 13 seconds if it maintains a speed of 31 m/s
BARSIC [14]

Distance = Speed × time

Distance = 31m/s × 13 seconds = 403m

8 0
3 years ago
Which formula can be used to find the tangential speed of an orbiting object?
Luden [163]
The correct formula for calculating the tangential speed of an orbiting object is V(t)=wr.
V(t)= Tangential Speed
w= Angular Velocity
r= Radius of the Path

Hope this helps.
6 0
3 years ago
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Which statement best explains why the overall charge on an atom is zero?
aalyn [17]
A: The positive charge if the protons in the nucleus equals the negative charge in the electron cloud.


Protons are positive, electrons are negative, and neutrons have no charge/are neutral
3 0
3 years ago
Why is a steam burn more damaging than a burn from boiling water at the same temperature?
maksim [4K]
The phase change (from gas to liquid) that the steam undergoes right when it touches your skin releases a lot of energy right onto your skin so it burns a ton. The boiling water would just burn you until it reaches the same temperature as your skin.
4 0
3 years ago
A 92kg astronaut and a 1200kg satellite are at rest relative to the space shuttle. The astronaut pushes on the satellite, giving
Harman [31]

Answer:

13.7m

Explanation:

Since there's no external force acting on the astronaut or the satellite, the momentum must be conserved before and after the push. Since both are at rest before, momentum is 0.

After the push

m_av_a + m_sv_s = 0

Where m_a = 92kg is the mass of the astronaut, m_s = 1200kg is the mass of the satellite, v_s = 0.14 m/s is the speed of the satellite. We can calculate the speed v_a of the astronaut:

v_a = \frac{-m_sv_s}{m_a} = \frac{-1200*0.14}{92} = -1.83 m/s

So the astronaut has a opposite direction with the satellite motion, which is further away from the shuttle. Since it takes 7.5 s for the astronaut to make contact with the shuttle, the distance would be

d = vt = 1.83 * 7.5 = 13.7 m

4 0
3 years ago
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